Home / 53,389,993.48-73,678,771.32-31,364,421.28

Finding the Fourth Proportional to 53,389,993.48, 73,678,771.32 and 31,364,421.28

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Solution

The fourth proportional to 53,389,993.48, 73,678,771.32 and 31,364,421.28 is: 43,283,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389,993.48 : 73,678,771.32 = 31,364,421.28 : x
  2. Step 2: Convert to fraction form
    53,389,993.48/73,678,771.32 = 31,364,421.28/x
  3. Step 3: Cross multiply
    53,389,993.48x = 73,678,771.32 × 31,364,421.28
  4. Step 4: Simplify right side
    53,389,993.48x = 2,310,892,023,073,261.50
  5. Step 5: Solve for x
    x = 2,310,892,023,073,261.50/53,389,993.48
  6. Step 6: Final answer
    x = 43,283,242.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.